串级萃取,countercurrent extraction
1)countercurrent extraction串级萃取
1.Theoretical analysis of effective separation factor for multi-component rare earths in countercurrent extraction;多组分稀土串级萃取有效分离系数的理论分析
2.First, the relative flow rate of each outlet was calculated from the purification indexes, then the mass balance and extraction equilibrium of countercurrent extraction were studied.研究了多组分、多出口稀土串级萃取体系静态优化设计过程的精确计算方法。
3.Based on our previous work about the static design algorithm for the multi-component and multi-outlet rare earth countercurrent extraction, the computational program under 32-bit Windows operation system was composed and verified by the dynamic simulation for different rare earth separation systems with satisfactory results.基于多组分多出口稀土串级萃取优化参数的静态设计算法,设计了相应的计算程序,采用该程序针对某稀土分离实例进行了静态参数计算,并对最优化工艺参数进行了动态仿真验证。
英文短句/例句

1.Theory of Counter Current Extraction Ⅱ. Determination of the Number of Stages by the Method of Log Purity Plot串级萃取理论Ⅱ、纯度对数图解法
2.Studies on the Ineffective Separation Zone in the Extraction Cascade for Separating Rare Earths稀土串级萃取过程中“无效区”现象的探究
3.Study on Effective Separation Factor for Multi-component Rare Earths in Counter-current Extraction多组分稀土串级萃取有效分离系数的研究
4.extraction fractionation提取分级(分离),萃取分级
5.An Experimental Study on the Extraction Process of Phenol-Hydroxylation Products and Analogy Calculation of Multilevel Cross-flow Extraction;苯酚羟化液萃取脱水的实验研究及多级错流萃取的模拟计算
6.Determination of Organochlorine Pesticides in Plants by Accelerated Solvent Extraction and Gas Chromatography Coupled to Triple Quadrupole Mass Spectrometry快速溶剂萃取-气相色谱/串联质谱法测定农作物中的有机氯农药
7.Determination of microcystins(MC_S) in drinking water by HPLC/MS固相萃取-高效液相色谱串联离子阱质谱法测定水中微囊藻毒素
8.Determination of 107 pesticide residues in vegetables using off-line dispersive solid-phase extraction and gas chromatography-tandem mass spectrometry分散固相萃取-气相色谱-串联质谱法测定蔬菜中107种农药的残留量
9.Selective enrichment of iridoid glucosides in Hedyotis diffusa Willd. by tandem solid phase extraction串联固相萃取法选择性富集白花蛇舌草中的环烯醚萜苷类成分
10.Rapid and simultaneous analysis of pesticide residues in leafy-vegetables by solvent ultrasonic extraction-liquid chromatography-electrospray tandem mass spectrometry超声波萃取-高效液相色谱-串联质谱快速检测叶菜中残留农药
11.Determination of organochlorine pesticides in pollen by gas chromatography-electron capture detection using double column series solid-phase extraction花粉中有机氯类农药串联固相萃取柱净化——气相色谱分析
12.Extracts a string specified by the start and end positions of a super string.提取由超级字符串的起始位置和结束位置指定的字符串。
13.Extract PCB-Level’s RMS Crosstalk Based on SI-Model of Altium Designer基于Altium Designer信号完整性模型提取PCB级均方根串扰
14.solvent extraction and hydrogeneration of extracts溶剂萃取和萃液氢化法
15.Analysis of Components in the Aqueous of Glycyrrhiza uralensis Fisch.and Glycyrrhiza uralensis Fisch. Preparated with honey bv SPE-HPLC-ESI/MS/MS固相萃取-高效液相色谱-电喷雾串联质谱法分析甘草和蜜炙甘草水煎液的化学成分
16.Determination of Musk Xylene in Cosmetics by Solid Phase Extraction-Isotope Dilution-Gas Chromatography Tandem Mass Spectrometry固相萃取-同位素稀释-气相色谱-串联质谱法测定化妆品中的二甲苯麝香
17.Solid Phase Extraction Followed by Liquid Chromatography-Tandem Mass Spectrometry for the Simultaneous Determination of Eight Anabolic Steroids in Milk固相萃取-液相色谱串联质谱同时测定牛奶中8种甾类同化激素多残留
18.Analysis of Components in Aqueous of Paeonia Lactiflora Pall and Paeonia Lactiflora Pall Preparation with Wine by Solid Phase Extraction-High Performance Liquid Chromatography-Electrospray Ionization Mass Spectrometry固相萃取-高效液相色谱-电喷雾串联质谱法分析芍药和酒芍药的水溶性化学成分
相关短句/例句

counter current extraction串级萃取
1.Equations of optimized extraction factor for minimum production cost in counter current extraction;串级萃取最低成本优化萃取比方程
3)series extraction theory串级萃取理论
1.Application of series extraction theory in production;串级萃取理论在生产中的应用
4)cascade extraction串级萃取分离
5)rare earth cascade extraction稀土串级萃取
1.Soft-sensor of element component content based on multiple models for the rare earth cascade extraction process;稀土串级萃取分离过程元素组分含量的多模型软测量
2.Bilinear model of rare earth cascade extraction process and its parameter identification;稀土串级萃取分离过程的双线性模型及其参数辨识
3.The process of rare earth cascade extraction separation has the comprehensive complexity of multivariable, nonlinearity, large state delay, complicated working conditions, etc.稀土串级萃取分离过程具有多变量、非线性、大滞后、工况复杂等综合复杂性,萃取过程元素组分含量难以连续在线检测、产品纯度难以实现优化控制,因此,以提高产品纯度和金属直收率为目标的自动控制技术的研究成为关键。
6)Counter current micro-column extraction串级微色谱柱萃取
延伸阅读

单级萃取分子式:CAS号:性质:又称一次接触萃取。是溶剂萃取中最简单的一种操作方式。萃取过程系在一个单级的萃取器中进行,如图所示(图暂缺)。单级萃取可以间歇地进行,也可以连续地进行。间歇操作常在搅拌槽中进行,连续操作则通常在一个单级的混合澄清槽或单级离心萃取器中进行。萃取时,两相F与S在一次接触中,在极限情况下可以达到平衡浓度。由于溶质在两相中的分配系数数值是有限的,因此单级萃取后的萃余相及中往往含有较多的欲萃溶质,不能满足萃取率的要求。工程上一般都用多级萃取。